city leaders say the parade is the biggest in northern california with 2700 participants and 6,000 spectators. marching bands, helicopters and plenty of veterans made a special day unforgettable. >>> still to come on ac7 news at 11:00, the massive construction project designed to secure the safety of your drinking water. how it works coming up in tonight's assignment 7 report. and an unusual use for a lot of spare change. how one woman put all of her pennies to work for her. and we will look at the national and state travel map. if you are taking to the skies tomorrow, we will talk about our accu-weather seven-day >>> there is a massive construction project underway to secure the safety of the region's water supply. part of that project includes digging a massive hole in newark. abc7 news anchor dan ashley has the assignment 7 report. >> nearly nine stories below sea level they are shoring up the massive hole. the shaft will provide millions of people in the bay area with fresh, clean water. digging this hole in unstable mud and water presented the project engineers with challenges. how do th